20345889

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{757}}^1$

素因数の和:825

約数の個数: 24

約数和(自身を含む): 29786368

約数和(自身を除く): 9440479

約数列:

[1, 3, 17, 31, 51, 93, 289, 527, 757, 867, 1581, 2271, 8959, 12869, 23467, 26877, 38607, 70401, 218773, 398939, 656319, 1196817, 6781963, 20345889]

約数ペア:

[(1, 20345889), (3, 6781963), (17, 1196817), (31, 656319), (51, 398939), (93, 218773), (289, 70401), (527, 38607), (757, 26877), (867, 23467), (1581, 12869), (2271, 8959)]